- final Map<UnsignedLong, Boolean> closedTransactions, final RangeSet<UnsignedLong> purgedTransactions) {
- this.persistenceId = Preconditions.checkNotNull(persistenceId);
- this.tree = Preconditions.checkNotNull(tree);
- this.closedTransactions = Preconditions.checkNotNull(closedTransactions);
- this.purgedTransactions = Preconditions.checkNotNull(purgedTransactions);
+ final Map<UnsignedLong, Boolean> closedTransactions, final MutableUnsignedLongSet purgedTransactions) {
+ this.persistenceId = requireNonNull(persistenceId);
+ this.tree = requireNonNull(tree);
+ this.closedTransactions = requireNonNull(closedTransactions);
+ this.purgedTransactions = requireNonNull(purgedTransactions);